Keaton is notoriously press shy, which makes his chat with Grantland all the more special. In addition to politics, the former Batman discussed the fraternity of stars who have played the Caped Crusader, including Christian Bale and George Clooney.

"I've only hung out with [Clooney] twice, I think, in my life," he said. "And he occasionally did say things, and I just had no idea what he was talking about. He'd say, 'Hey, it's for the brotherhood,' and I'd go, 'Yeah!' and I'd go, [whispering] 'What brotherhood?'"